Incidental Mutation 'R8676:Polr3b'
ID 661399
Institutional Source Beutler Lab
Gene Symbol Polr3b
Ensembl Gene ENSMUSG00000034453
Gene Name polymerase (RNA) III (DNA directed) polypeptide B
Synonyms 2700078H01Rik, RPC2, A330032P03Rik
MMRRC Submission 068531-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8676 (G1)
Quality Score 225.009
Status Validated
Chromosome 10
Chromosomal Location 84458156-84563042 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 84516251 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Histidine to Glutamine at position 626 (H626Q)
Ref Sequence ENSEMBL: ENSMUSP00000076418 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000077175]
AlphaFold P59470
Predicted Effect probably benign
Transcript: ENSMUST00000077175
AA Change: H626Q

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000076418
Gene: ENSMUSG00000034453
AA Change: H626Q

DomainStartEndE-ValueType
Pfam:RNA_pol_Rpb2_1 38 413 2e-55 PFAM
Pfam:RNA_pol_Rpb2_2 185 363 8.4e-29 PFAM
Pfam:RNA_pol_Rpb2_3 438 502 2.6e-22 PFAM
Pfam:RNA_pol_Rpb2_4 539 600 1e-29 PFAM
Pfam:RNA_pol_Rpb2_5 621 661 6.5e-14 PFAM
Pfam:RNA_pol_Rpb2_6 668 1041 5.8e-129 PFAM
Pfam:RNA_pol_Rpb2_7 1043 1129 7.6e-36 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 93% (54/58)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the second largest subunit of RNA polymerase III, the polymerase responsible for synthesizing transfer and small ribosomal RNAs in eukaryotes. The largest subunit and the encoded protein form the catalytic center of RNA polymerase III. Mutations in this gene are a cause of hypomyelinating leukodystrophy. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Dec 2011]
Allele List at MGI

All alleles(48) : Targeted, other(2) Gene trapped(46)

Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl4fm4 G A 4: 144,396,683 (GRCm39) R350C possibly damaging Het
Acsm3 T A 7: 119,374,392 (GRCm39) S281R probably damaging Het
Adipor2 G T 6: 119,340,447 (GRCm39) probably benign Het
Alk T C 17: 72,204,936 (GRCm39) S1079G probably damaging Het
Ankrd27 T C 7: 35,302,009 (GRCm39) probably null Het
Anxa6 C A 11: 54,892,108 (GRCm39) E283* probably null Het
Bnc2 T C 4: 84,194,550 (GRCm39) H858R possibly damaging Het
Btnl6 T C 17: 34,727,043 (GRCm39) S496G probably benign Het
Ccdc88a T C 11: 29,410,860 (GRCm39) S449P probably benign Het
Cdh23 A T 10: 60,246,689 (GRCm39) D916E probably damaging Het
Cfap43 A T 19: 47,736,456 (GRCm39) L1345H possibly damaging Het
Cyld A T 8: 89,456,138 (GRCm39) H396L probably benign Het
Cyp20a1 A G 1: 60,418,579 (GRCm39) T340A possibly damaging Het
Czib A G 4: 107,752,796 (GRCm39) N152D unknown Het
Dera A T 6: 137,807,202 (GRCm39) I217F probably damaging Het
Dnah11 A G 12: 118,154,539 (GRCm39) L247P probably damaging Het
Eftud2 G A 11: 102,759,447 (GRCm39) T152M probably damaging Het
Entrep1 T C 19: 23,965,858 (GRCm39) K214E probably damaging Het
Epb41l2 C T 10: 25,319,674 (GRCm39) T169M probably benign Het
Fam186a T C 15: 99,845,023 (GRCm39) D407G unknown Het
Gli3 T A 13: 15,889,619 (GRCm39) C578S probably damaging Het
Gm6408 A G 5: 146,419,237 (GRCm39) N84S probably benign Het
Heatr5a AGCACACTGCAGGAAGCTCACACAGCACAGCATACCTTCAGGAGTGCACACTGCAGGAAGCTCACACAGCACAGCATACCTTCAGGAGAGCACACTGCAGGAAGCTCA AGCACACTGCAGGAAGCTCACACAGCACAGCATACCTTCAGGAGAGCACACTGCAGGAAGCTCA 12: 51,934,702 (GRCm39) probably benign Het
Herc2 C A 7: 55,838,361 (GRCm39) T3296K probably damaging Het
Hnf4g A T 3: 3,708,133 (GRCm39) probably benign Het
Hyal4 C A 6: 24,755,826 (GRCm39) Q15K probably damaging Het
Itpr3 G A 17: 27,337,651 (GRCm39) probably benign Het
Kcna3 A G 3: 106,943,908 (GRCm39) E57G probably damaging Het
Kcnc3 C A 7: 44,241,020 (GRCm39) D237E probably benign Het
Map3k8 A G 18: 4,343,137 (GRCm39) V130A probably benign Het
Mpp7 A G 18: 7,440,430 (GRCm39) probably null Het
Mtres1 A G 10: 43,408,933 (GRCm39) L70S probably benign Het
Myh13 T A 11: 67,233,311 (GRCm39) L610Q probably damaging Het
Or13p5 C A 4: 118,592,235 (GRCm39) P170T probably damaging Het
Or5ap2 T A 2: 85,680,246 (GRCm39) M150K probably benign Het
Or8b52 T C 9: 38,577,064 (GRCm39) I25M probably benign Het
Pcdhb5 A T 18: 37,454,129 (GRCm39) T170S probably benign Het
Prkg1 A T 19: 31,742,146 (GRCm39) L26Q probably damaging Het
Prob1 T C 18: 35,787,039 (GRCm39) N405S possibly damaging Het
Proz T G 8: 13,123,630 (GRCm39) S300R probably damaging Het
Psg19 A G 7: 18,527,990 (GRCm39) I251T probably benign Het
Rcbtb1 T C 14: 59,467,401 (GRCm39) I413T possibly damaging Het
Rnf144b T A 13: 47,382,452 (GRCm39) Y103N probably damaging Het
Rspry1 G C 8: 95,358,747 (GRCm39) G194R probably benign Het
Scn2b A G 9: 45,036,917 (GRCm39) I142V probably damaging Het
Spata20 A T 11: 94,372,607 (GRCm39) L588H probably damaging Het
Stk32b T A 5: 37,614,503 (GRCm39) H335L probably benign Het
Taar4 A C 10: 23,836,801 (GRCm39) D137A possibly damaging Het
Tchh CTCCGCCGGGAGCAAGAGCTCCGCCGGGAGCAAGAGTTCCGCCGGGAGCAAGAGCTCCGCCGGGAGCAAGAGTTCCGCCGGGAGCAAGAGCTCCGCC CTCCGCCGGGAGCAAGAGCTCCGCCGGGAGCAAGAGTTCCGCCGGGAGCAAGAGCTCCGCC 3: 93,354,015 (GRCm39) probably benign Het
Tek A T 4: 94,738,074 (GRCm39) H708L probably benign Het
Tmem89 C T 9: 108,744,095 (GRCm39) L132F unknown Het
Ugt2b38 T C 5: 87,559,681 (GRCm39) I404V probably benign Het
Vmn1r16 C T 6: 57,299,814 (GRCm39) M269I probably benign Het
Vmn1r201 A G 13: 22,659,422 (GRCm39) K212R probably damaging Het
Vmn2r11 A C 5: 109,201,626 (GRCm39) F293V probably damaging Het
Zdhhc17 A T 10: 110,798,240 (GRCm39) probably benign Het
Zfp423 C A 8: 88,509,338 (GRCm39) M335I probably benign Het
Zfp74 T C 7: 29,634,079 (GRCm39) Y543C probably damaging Het
Zfp975 A T 7: 42,312,264 (GRCm39) S116R probably benign Het
Other mutations in Polr3b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00787:Polr3b APN 10 84,512,854 (GRCm39) missense probably benign
IGL00848:Polr3b APN 10 84,516,241 (GRCm39) missense probably damaging 1.00
IGL00901:Polr3b APN 10 84,467,660 (GRCm39) missense possibly damaging 0.94
IGL01313:Polr3b APN 10 84,561,607 (GRCm39) missense probably damaging 1.00
IGL01364:Polr3b APN 10 84,531,533 (GRCm39) missense probably benign 0.00
IGL01731:Polr3b APN 10 84,467,704 (GRCm39) nonsense probably null
IGL03326:Polr3b APN 10 84,503,259 (GRCm39) missense probably benign 0.43
IGL03369:Polr3b APN 10 84,512,816 (GRCm39) missense probably damaging 1.00
etruscan UTSW 10 84,468,402 (GRCm39) missense probably benign 0.00
pennyweight UTSW 10 84,549,496 (GRCm39) missense probably damaging 1.00
pinhead UTSW 10 84,491,855 (GRCm39) missense probably damaging 1.00
G5538:Polr3b UTSW 10 84,467,658 (GRCm39) missense probably benign 0.21
PIT4382001:Polr3b UTSW 10 84,520,049 (GRCm39) missense probably damaging 1.00
R0180:Polr3b UTSW 10 84,458,379 (GRCm39) missense probably benign
R0270:Polr3b UTSW 10 84,554,339 (GRCm39) missense probably benign 0.02
R0541:Polr3b UTSW 10 84,473,928 (GRCm39) missense probably damaging 1.00
R0890:Polr3b UTSW 10 84,550,200 (GRCm39) missense probably benign 0.01
R1302:Polr3b UTSW 10 84,468,350 (GRCm39) missense probably damaging 0.97
R1511:Polr3b UTSW 10 84,516,249 (GRCm39) missense probably benign
R1561:Polr3b UTSW 10 84,470,776 (GRCm39) missense probably damaging 1.00
R1607:Polr3b UTSW 10 84,488,647 (GRCm39) missense probably benign 0.00
R1624:Polr3b UTSW 10 84,515,669 (GRCm39) missense probably damaging 0.98
R1809:Polr3b UTSW 10 84,528,865 (GRCm39) missense probably damaging 1.00
R1830:Polr3b UTSW 10 84,528,786 (GRCm39) nonsense probably null
R2973:Polr3b UTSW 10 84,464,144 (GRCm39) missense probably benign 0.00
R3401:Polr3b UTSW 10 84,535,355 (GRCm39) missense probably damaging 0.96
R3876:Polr3b UTSW 10 84,556,382 (GRCm39) critical splice donor site probably null
R3961:Polr3b UTSW 10 84,520,166 (GRCm39) missense possibly damaging 0.89
R4664:Polr3b UTSW 10 84,550,233 (GRCm39) missense probably damaging 1.00
R4721:Polr3b UTSW 10 84,491,867 (GRCm39) missense possibly damaging 0.56
R4972:Polr3b UTSW 10 84,473,988 (GRCm39) missense probably damaging 1.00
R5065:Polr3b UTSW 10 84,468,402 (GRCm39) missense probably benign 0.00
R5264:Polr3b UTSW 10 84,503,280 (GRCm39) missense probably benign 0.02
R5302:Polr3b UTSW 10 84,535,264 (GRCm39) missense possibly damaging 0.59
R5795:Polr3b UTSW 10 84,464,116 (GRCm39) missense probably benign
R5795:Polr3b UTSW 10 84,512,875 (GRCm39) missense probably damaging 0.97
R5838:Polr3b UTSW 10 84,510,454 (GRCm39) missense probably benign 0.09
R6419:Polr3b UTSW 10 84,473,975 (GRCm39) missense possibly damaging 0.78
R6568:Polr3b UTSW 10 84,470,767 (GRCm39) missense probably damaging 1.00
R6787:Polr3b UTSW 10 84,464,489 (GRCm39) critical splice acceptor site probably null
R6913:Polr3b UTSW 10 84,549,496 (GRCm39) missense probably damaging 1.00
R7405:Polr3b UTSW 10 84,520,043 (GRCm39) missense probably benign
R7456:Polr3b UTSW 10 84,458,355 (GRCm39) missense probably benign
R7657:Polr3b UTSW 10 84,491,855 (GRCm39) missense probably damaging 1.00
R8074:Polr3b UTSW 10 84,549,523 (GRCm39) missense probably damaging 1.00
R8082:Polr3b UTSW 10 84,491,927 (GRCm39) missense probably damaging 1.00
R8127:Polr3b UTSW 10 84,515,653 (GRCm39) missense probably benign
R8744:Polr3b UTSW 10 84,464,488 (GRCm39) splice site probably benign
R8797:Polr3b UTSW 10 84,532,879 (GRCm39) nonsense probably null
R8866:Polr3b UTSW 10 84,531,555 (GRCm39) missense probably benign 0.14
R9006:Polr3b UTSW 10 84,467,697 (GRCm39) missense probably benign 0.05
R9397:Polr3b UTSW 10 84,467,653 (GRCm39) missense possibly damaging 0.93
R9509:Polr3b UTSW 10 84,467,650 (GRCm39) missense probably damaging 1.00
X0066:Polr3b UTSW 10 84,549,559 (GRCm39) missense probably damaging 0.97
Z1177:Polr3b UTSW 10 84,550,157 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- TGTGAGCCTTGAACAACGTG -3'
(R):5'- AATGACAGGGGTGCTTCCTTAC -3'

Sequencing Primer
(F):5'- CAACGTGTTCAGACATTTCAGTG -3'
(R):5'- ACAGGGGTGCTTCCTTACAGAAC -3'
Posted On 2021-03-08